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Pooling Network Library for Pyomo

This library provides classes and functions to describe pooling-like network optimization problems.

The pooling_network library can be used to describe the network structure of pooling problems and then generate Pyomo optimization problems from it. Currently the library supports generating optimization problems using the PQ-formulation.

The library also includes a MIP-restriction of the pooling problem [DEY2015] that performs well on dense instances, and a convex relaxation of the pooling problem used to generate valid cuts [LUEDTKE2020].

Contributors

GitHub Name Acknowledgements
fracek Francesco Ceccon This work was funded by an Engineering & Physical Sciences Research Council Research Fellowship [GrantNumber EP/P016871/1]

References

[DEY2015]Dey, S.S. and Gupte, A., 2015. Analysis of MILP techniques for the pooling problem. Operations Research, 63(2), pp.412-427.
[LUEDTKE2020]Luedtke, J., D'ambrosio, C., Linderoth, J. and Schweiger, J., 2020. Strong convex nonlinear relaxations of the pooling problem. SIAM Journal on Optimization, 30(2), pp.1582-1609.

License

Copyright 2020 Francesco Ceccon

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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